Two bacteria cultures are compared to one another for a period of time. The first culture is left untreated. The number of bacteria in this culture after t hours is given by the function B₁ (t)=8530(0.93) The second culture is treated with a probiotic. The number of bacteria in this culture after thours is given by the function B₂(t)=6860(1.12) A B с D The untreated culture is demonstrating exponential growth, while the treated culture is demonstrating exponential decay. The untreated culture is demonstrating exponential decay, while the treated culture is demonstrating exponential growth. Both cultures are demonstrating exponential decay. Both cultures are demonstrating exponential growth

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